Home / 141,984-311,616

Finding the Third Proportional to 141,984 and 311,616

Calculator

Solution

The third proportional to 141,984 and 311,616 is: 683,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984 : 311,616 = 311,616 : x
  2. Step 2: Convert to fraction form
    141,984/311,616 = 311,616/x
  3. Step 3: Cross multiply
    141,984x = 311,616 × 311,616
  4. Step 4: Simplify right side
    141,984x = 97,104,531,456
  5. Step 5: Solve for x
    x = 97,104,531,456/141,984
  6. Step 6: Final answer
    x = 683,911.79

Related Problems

Find third proportional to 70,992 and 155,808
Half scale
Find third proportional to 283,968 and 623,232
Double scale
Find third proportional to 141,986 and 311,620
Similar ratio
Find third proportional to 212,976 and 467,424
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.